5. Error analysis: in the box on the right is an Steps: attempt to find x. Find the error and describe what would be the correct way to do that step. 1. a +b = 2 → 8 +112 = ? 11 2. 82 + 112 = x2 → 8 2+11 2 = x2 8. X. 16+ 22 = x → → 38 = x 4. V38 = Ve? 6.16 = x Which step has a mistake? What is the mistake? What is the correct procedure in that step? Steps: 1. a + 6? = c² 6. → 3+6 =x 3 X. 32 +6? = x² 3 3+6 x6=x -→ 3. 9+36 = x² → 45 =x 4. 45 22.5 x %3D 3. 2.
5. Error analysis: in the box on the right is an Steps: attempt to find x. Find the error and describe what would be the correct way to do that step. 1. a +b = 2 → 8 +112 = ? 11 2. 82 + 112 = x2 → 8 2+11 2 = x2 8. X. 16+ 22 = x → → 38 = x 4. V38 = Ve? 6.16 = x Which step has a mistake? What is the mistake? What is the correct procedure in that step? Steps: 1. a + 6? = c² 6. → 3+6 =x 3 X. 32 +6? = x² 3 3+6 x6=x -→ 3. 9+36 = x² → 45 =x 4. 45 22.5 x %3D 3. 2.
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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
Transcribed Image Text:5. Error analysis: in the box on the right is an Steps:
attempt to find x. Find the error and
describe what would be the correct way to
do that step.
1.
a? +b = c?
82 + 112 = x
11
2.
82 +112 = x -
8 *2+11 2= x²
3.
16 + 22 = x →
38 x
V38 = V?
6.16 = x
Which step has a mistake?
What is the mistake?
What is the correct procedure in that step?
Steps:
1.
6.
a² + b? = c² →
32+6 = x
3.
32 +62 = x -→
3 3+6 6=x
9+36 =x -→
45 = x
45
2.
22.5 x
4.
2.
3.
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